蒂姆·皮戈特-史密斯

Tim Pigott-Smith

饰：Narrator

皮普·托伦斯

Pip Torrens

饰：MI5 Officer

Johnny Greig

饰：Policeman

Richard J. Aldrich

饰：Himself - University of Warwick

Antony Best

饰：Himself - London School of Economics

Peter Dunstan

饰：Himself - HMS Prince of Wales

罗伯特·邓肯

Robert Duncan

饰：Director of Public Prosecutions

Jamie Lee

Jamie Lee

饰：Master of Sempill